Finding the Fourth Proportional to 53,006.42, 73,073.57 and 42,156.16

Step by Step Solution

1. Step 1: Write the proportion equation
   53,006.42 : 73,073.57 = 42,156.16 : x
2. Step 2: Convert to fraction form
   53,006.42/73,073.57 = 42,156.16/x
3. Step 3: Cross multiply
   53,006.42x = 73,073.57 × 42,156.16
4. Step 4: Simplify right side
   53,006.42x = 3,080,501,244.83
5. Step 5: Solve for x
   x = 3,080,501,244.83/53,006.42
6. Step 6: Final answer
   x = 58,115.63